The Jupio LNI0030 is a battery charger for charging up to two Nikon EN-EL4, EN-EL4A, EN-EL18A. EN-EL18B, EN-EL18C, EN-EL18D or two Canon LP-E4 / LP-E4N rechargeable Li-ion batteries. The LNI0030 is equipped with battery calibration feature and indication LEDs.